brainier; brainiest
: having or showing a well-developed intellect : intelligent
braininess noun

Examples of brainy in a Sentence

a brainy student who didn't fit in socially
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These are heady ideas, and Silent Friend is certainly a brainy film. Jordan Mintzer, HollywoodReporter, 6 Sep. 2025 The brainy humanoid also mastered sorting packages on assembly lines in June. Atharva Gosavi, Interesting Engineering, 4 Sep. 2025 Now, enjoy this brainy granola for breakfasts, after school snacks, or dessert toppings. Catharine Kaufman, San Diego Union-Tribune, 19 Aug. 2025 With Wi-Fi and Bluetooth built in, plus a sleek, anti-slip design, the P2 Pro is both brainy and easy to use. Shubham Yewale, PC Magazine, 16 July 2025 See All Example Sentences for brainy

Word History

First Known Use

1845, in the meaning defined above

Time Traveler
The first known use of brainy was in 1845

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Cite this Entry

“Brainy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brainy. Accessed 9 Sep. 2025.

Kids Definition

brainy

adjective
brainier; brainiest
braininess noun

More from Merriam-Webster on brainy

Last Updated: - Updated example sentences
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